<template>
  <div>
    <sub-title :subTitle="'商品分类'" :isRefresh="false"></sub-title>
    <div class="body">
      <div class="box-title flex between h-center">
        <span class="font-20">数据列表</span>
        <div class="flex h-center">
          <el-button @click="back">返回</el-button>
          <el-button @click="dialogVisible = true">上传图片</el-button>
        </div>
      </div>
      <div class="img-list" v-loading="loading">
        <el-checkbox-group
          class="flex"
          v-if="list.length > 0"
          v-model="checkItemId"
          @change="handleCheckItem"
        >
          <div class="img-item" v-for="(item,index) in list" :key="index">
            <el-checkbox :label="item.id">
              <img :src="item.imgUrl" alt>
            </el-checkbox>
            <span class="table-btn" @click="shiftItem([item.id])">转移相册</span>
            <span class="table-btn" @click="remove([item.id])">删除图片</span>
          </div>
        </el-checkbox-group>
        <div v-else class="empty-text">暂无图片</div>
      </div>
      <pagination
        @confirmBatch="confirmBatch"
        :optionsList="optionsList"
        @handleChangeAll="handleChangeAll"
        class="pagination"
        ref="pagination"
        @next="next"
        :total="total"
        :pageSize="pageSize"
      ></pagination>
      <el-dialog title="上传图片" :visible.sync="dialogVisible" :append-to-body="true">
        <el-form
          v-loading="formLoading"
          element-loading-text="上传中"
          :model="ruleForm"
          :rules="rules"
          ref="ruleForm"
          label-width="100px"
          class="form"
        >
          <el-form-item label="选择相册: " prop="goodsGalleriesId">
            <el-select v-model="ruleForm.goodsGalleriesId" placeholder="请选择广告位置">
              <el-option
                :label="item.name"
                :value="item.id"
                v-for="(item, index) in albumList"
                :key="index"
              ></el-option>
            </el-select>
          </el-form-item>
          <el-form-item label="选择图片: " prop="imgUrl">
            <div class="upload-img-list">
              <div v-for="(item, index) in ruleForm.imgUrl" :key="index">
                <img :src="item">
                <i class="el-icon-circle-close-outline" @click="deleteImg(index)"></i>
              </div>
            </div>
            <div class="upload-btn-wrap">
              <label for="upload">
                <el-button type="primary" size="small">上传图片</el-button>
              </label>
              <input
                @change="uploadImgUrl"
                id="upload"
                type="file"
                class="upload-input"
                accept="image/jpeg, image/png"
              >
              <p class="form-tips">可批量选择多张图片上传 (最多上传5张)</p>
            </div>
          </el-form-item>
        </el-form>
        <span slot="footer" class="dialog-footer">
          <el-button @click="dialogVisible = false">取 消</el-button>
          <el-button type="primary" @click="submitForm">确 定</el-button>
        </span>
      </el-dialog>
      <el-dialog title="转移相册" :visible.sync="dialogVisible1" :append-to-body="true">
        <el-form
          :model="ruleForm1"
          :rules="rules1"
          ref="ruleForm1"
          label-width="100px"
          class="form"
        >
          <el-form-item label="选择相册: " prop="changeToGalleries">
            <el-select v-model="ruleForm1.changeToGalleries" placeholder="请选择相册">
              <el-option
                :label="item.name"
                :value="item.id"
                v-for="(item, index) in albumList"
                :key="index"
              ></el-option>
            </el-select>
          </el-form-item>
        </el-form>
        <span slot="footer" class="dialog-footer">
          <el-button @click="dialogVisible1 = false">取 消</el-button>
          <el-button type="primary" @click="submitForm1()">确 定</el-button>
        </span>
      </el-dialog>
    </div>
  </div>
</template>

<script>
import subTitle from "@/components/subTitle";
import pagination from "@/components/pagination";
import mixin from "@/utils/mixin";
export default {
  name: "imageList",
  mixins: [mixin],
  components: {
    subTitle,
    pagination
  },
  data() {
    let validImgUrl = (item, value, callback) => {
      if (!this.ruleForm.imgUrl.length > 0) {
        callback(new Error("请上传图片"));
      } else {
        callback();
      }
    };
    return {
      list: [],
      albumList: [],
      dialogVisible: false,
      dialogVisible1: false,
      checkAll: false,
      checkItemId: [],
      pageSize: 20,
      ruleForm: {
        goodsGalleriesId: "",
        imgUrl: []
      },
      ruleForm1: {
        ids: [],
        subGalleries: "",
        changeToGalleries: ""
      },
      rules: {
        goodsGalleriesId: [
          { required: true, message: "请选择相册", trigger: "change" }
        ],
        imgUrl: [{ validator: validImgUrl, required: true, trigger: "change" }]
      },
      rules1: {
        changeToGalleries: [
          { required: true, message: "请选择相册", trigger: "change" }
        ]
      },
      formLoading: false,
      optionsList: {
        delete: "删除",
        shift: "转移"
      }
    };
  },
  mounted() {
    this.id = this.$route.params.id;
    this.ruleForm1.subGalleries = this.$route.params.id;
    this.getList();
    this.getAlbumList();
  },
  methods: {
    getList() {
      this.$http
        .post("merchant_goods_galleries_detail/query_for_page", {
          currentPage: this.currentPage,
          pageSize: this.pageSize,
          galleriesId: this.id
        })
        .then(res => {
          this.list = res.list;
          this.total = res.totalCount;
        })
        .finally(() => {
          this.loading = false;
        });
    },
    getAlbumList() {
      this.$http.post("merchant_goods_galleries/query", {}).then(res => {
        this.albumList = res.list;
      });
    },
    submitForm() {
      this.$refs["ruleForm"].validate(valid => {
        if (valid) {
          this.$http
            .post("merchant_goods_galleries_detail/add_batch", this.ruleForm)
            .then(
              () => {
                this.$msgSuc("提交成功");
                this.getList();
                this.dialogVisible = false;
              },
              err => {
                this.$msgErr(err.msg);
              }
            );
        } else {
          return false;
        }
      });
    },
    deleteImg(index) {
      this.ruleForm.imgUrl.splice(index, 1);
    },
    uploadImgUrl(file) {
      let files = file.target.files;
      if (files.length + this.ruleForm.imgUrl.length > 5) {
        this.$msgWar("图片最多5张");
        return;
      }
      let imgUrl = this.ruleForm.imgUrl;
      let promiseList = [];
      this.formLoading = true;
      for (let i = 0; i < files.length; i++) {
        if (files[i] == []) {
          continue;
        }
        promiseList.push(this.uploadFiles(files[i]));
      }
      Promise.all(promiseList)
        .then(
          res => {
            res.map(item => {
              imgUrl.push(item.imgUrl);
            });
            this.$set(this.ruleForm, "imgUrl", imgUrl);
          },
          () => {
            this.$msgErr("上传失败");
          }
        )
        .finally(() => {
          this.formLoading = false;
        });
    },
    handleCheckItem(val) {
      if (val.length == this.list.length) {
        this.$refs.pagination._data.checkAll = true;
      } else {
        this.$refs.pagination._data.checkAll = false;
      }
    },
    handleChangeAll(val) {
      this.checkItemId = [];
      if (val) {
        this.list.map(item => {
          this.checkItemId.push(item.id);
        });
      }
    },
    shiftItem(val) {
      this.ruleForm1.ids = val;
      this.dialogVisible1 = true;
    },
    submitForm1() {
      this.$refs["ruleForm1"].validate(valid => {
        if (valid) {
          this.$http
            .post(
              "merchant_goods_galleries_detail/change_galleries_batch",
              this.ruleForm1
            )
            .then(
              () => {
                this.$msgSuc("转移成功");
                this.getList();
                this.dialogVisible1 = false;
              },
              err => {
                this.$msgErr(err.msg);
              }
            );
        } else {
          return false;
        }
      });
    },
    remove(id) {
      this.$confirm("确认删除吗?").then(() => {
        this.$http
          .post("merchant_goods_galleries_detail/delete_batch", id)
          .then(
            () => {
              this.getList();
              this.$msgSuc("删除成功");
            },
            err => {
              this.$msgErr(err.msg);
            }
          );
      });
    }
  }
};
</script>

<style scoped lang="scss">
@import "~@/assets/css/common";
.filter-wrap {
  border: $border;
  margin-bottom: 24px;
  > div {
    padding: 0 22px;
    height: 56px;
    &:last-child {
      background-color: $bgColor;
    }
  }
  .search {
    margin-left: 20px;
    margin-right: 0;
  }
}
.box-title {
  padding-right: 20px;
  .search-input {
    width: 150px;
    margin-left: 20px;
  }
  .mall-btn {
    margin-right: 0;
  }
}
.search-input {
  width: 200px;
  margin-top: 20px;
}
.pagination {
  border: $border;
}
.img-list {
  border-left: $border;
  border-right: $border;
  padding: 20px;
  .img-item {
    width: 152px;
    height: 130px;
    margin-right: 20px;
    box-sizing: border-box;
    padding-top: 110px;
    .el-checkbox {
      margin-right: 5px;
    }
    img {
      width: 100px;
      height: 100px;
      border-right: 4px;
      display: block;
      position: absolute;
      top: -110px;
      left: 26px;
    }
  }
}
.form-tips {
  font-size: 12px;
  color: $gray;
  line-height: 16px;
  margin-top: 5px;
}
.upload-img-list {
  display: flex;
  flex-wrap: wrap;
  > div {
    position: relative;
    margin-right: 10px;
    margin-bottom: 10px;
    img {
      display: block;
      width: auto;
      height: 100px;
    }
    i {
      color: red;
      position: absolute;
      right: -8px;
      top: -8px;
      font-size: 20px;
      background-color: #fff;
      border-radius: 50%;
    }
  }
}
</style>